SAP ABAP Table USADDEF (Default company address) is used by

• Class (1)
• Function Module (7)
• Program (13)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Program	LSZAIF05	Include LSZAIF05	SZAD	BASIS	SAP_BASIS
2	Program	LSZAIF09	Include LSZAIF09	SZAD	BASIS	SAP_BASIS
3	Program	LSZAIF12	Include LSZAIF12	SZAD	BASIS	SAP_BASIS
4	Program	LSZAIF13	Include LSZAIF13	SZAD	BASIS	SAP_BASIS
5	Program	LSZAITOP	IncludeLSZAITOP	SZAD	BASIS	SAP_BASIS
6	Program	MSCOMPF01	Include MSCOMPF01	SUSR	BASIS	SAP_BASIS
7	Program	RS3ADRCL	Customer exit (3) Address management for Client Copy	SZAD	BASIS	SAP_BASIS
8	Program	RSADRCK2	User without address (mass update)	SZAD	BASIS	SAP_BASIS
9	Program	RSUSX001	XPRA: Assign company addresses (BC01) to an object	SUSR	BASIS	SAP_BASIS
10	Program	RSXADR03	Basis part of the conversion of address tables SADR* -> ADR*	SZAD	BASIS	SAP_BASIS
11	Program	RSXADRI1	Include with data declarations for RSXADR03	SZAD	BASIS	SAP_BASIS
12	Program	SAPLEHUS	SAPLEHUS	PWWW	HR	SAP_HRGXX
13	Program	SAPLRPM_USER	SAPLRPM_USER	PRP_HRALE_EMPLOYEE	PROJECT_PORTFOLIO_MANAGEMENT	CPRXRPM